Home / 19,607.18-27,031.41-13,308.62

Finding the Fourth Proportional to 19,607.18, 27,031.41 and 13,308.62

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Solution

The fourth proportional to 19,607.18, 27,031.41 and 13,308.62 is: 18,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.18 : 27,031.41 = 13,308.62 : x
  2. Step 2: Convert to fraction form
    19,607.18/27,031.41 = 13,308.62/x
  3. Step 3: Cross multiply
    19,607.18x = 27,031.41 × 13,308.62
  4. Step 4: Simplify right side
    19,607.18x = 359,750,763.75
  5. Step 5: Solve for x
    x = 359,750,763.75/19,607.18
  6. Step 6: Final answer
    x = 18,347.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.